Kenwood-RXDA-900-Service-Manual电路原理图.pdf

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1、321PLAY0PUSHOPEN0PUSHOPEN6774DISC SKIPDISC 1DISC 2REV.MODEDOLBY NRDISC 3VOLUMECONTROLUPDOWNSRS 3DTIMERDISPLAYMODE/DEMOENTERAUTOPHONESSETMAXMINLISTEN MODEMULTI CONTROLON/STANDBYINPUTMICVOL.1 MIC 2DUBBINGTUNINGBANDCD PGMMINI HiFi COMPONENT SYSTEMREC/PLAYA/BREC/ARM0SRS ( )SOUNDEX.BASSPRO LOGIC 3 STEREO

2、MINI HiFi COMPONENT SYSTEMRXD-951/951E/951W/A900/A700/RXD-A700E/A700W/V616/V818/V919SERVICE MANUAL1998-6/B51-5444-00 (K/K) 3264Cassette lid (L)*(A53-) Phono jack(E11-0169-05) Phone jack(E11-0169-05)Front glass (L)(B10-2446-13)Lighting board(B19-1587-03)Front glass*(B10-)Lighting board(B19-1589-04)Li

3、ghting board(B19-1586-04)Panel assy*(A60-)Knob*(K29-)Cassette lid (R)*(A53-)Front glass (R)(B10-2447-13)Panel (CD)*(A29-)(XD-951V919)* Refer to parts list on page 62.In compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafe

4、ty.Refer to RXD-500/700 (B51-5300-00), If you requireTUNER preset frequency in detail.Refer to RXD-501/etc(B51-5420-00), if you require CIR-CUIT DESCRIPTION in detail.*Refer to page 2 if you want to know system configuration.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 D

5、FR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMPhone jack(E11-0280-05)RXD-951(K) COVER1,1( 98.12.14 13:40 yW2SYSTEMMAIN UNITDESTINATIONSPEAKERSPEAKERSPCORD PARTS.NO.XD-A900RXD-A900K1P1LS-N851CRS-N851E30-5471-05XD-951RXD-951

6、X1Y1M1E1M5LS-N851CRS-N851E30-5471-05XD-951ERXD-951EE2LS-N851CRS-N851E30-5471-05XD-951WRXD-951WQ1LS-N851CRS-N851E30-5471-05XD-A700RXD-A700K2P2LS-N451CRS-N551E30-5120-08XD-A700RXD-A700X2LS-N551CRS-N851E30-5474-08XD-A700ERXD-A700EE3LS-N551CRS-N851E30-5474-08XD-A700WRXD-A700WQ2LS-N551CRS-N851E30-5474-08

7、XD-V616RXD-V616M4I4V4LS-N651-E30-5475-05XD-V818RXD-V818M3I3V3LS-N851-E30-5471-05XD-V919RXD-V919M2I2V2LS-N851CRS-N851E30-5471-05Remote controllerParts numberModel nameModel nameDestinationBattery coverA70-1218-05RC-V919RXD-V919M2I2V2A09-1117-08A70-1219-05RC-V818RXD-V818M3I3V3RXD-V616M4I4V4A70-1220-05

8、RC-951RXD-A900 K1P1RXD-A700K2P2X2RXD-951M1I1XIYIM5A70-1221-05RC-951RRXD-951E1RXD-951EE2RXD-A700EE3RXD-951WQ1RXD-A700WQ2Speaker cords (4)XD-951/XD-A900Speaker cords (2)XD-A700Batteries (R6/AA) (2)FM indoor antenna (1)Remote (A70-1221-05) : RC-951RBattery cover (A09-1117-08)control unit (1)Loop (J19-3

9、645-05)antenna stand (1)AM loop antenna (1)(T90-0833-05)(Provided in the speaker package)Europe (T90-0836-05)(T90-0801-05)and U.K.Other countriesAC (E03-0115-05)plug adaptor (1)Use to adapt the plug onthe power cord to theshape of the wall outlet.(Accessory only for regionswhere use is necessary.)Sp

10、eaker (G11-2345-04)cushions (8)Surround speaker systemSurround speaker (2)Speaker cord (2)Speaker stabilizer (8)Wall mount hardware (2)Screw (4)Center speaker (1)Speaker cord (1)Speaker stabilizer (4)*Except for CRS-N551Video (E30-1427-05)cord (1)TEST TONEPTYMENUPOWERSETENTERVOLUMEREMOTE CONTROL UNI

11、T RC-951RTIMEREPEAT EQ ON/OFFRANDOM SRS 3DEX. BASSPRO LOGIC DOLBY 3 STEREO STEREODOLBYCENTERSURROUND RDS DISP.TA/NEWS/INFO.DISC SKIP12 3045 6+1078 9A/BBAND TUNING P.CALLMUTE INPUTTAPE CDRXD-951/A700/A900/V616/V818/V9192CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES.2EXTERNAL VIEW.3DISASSEMBLY FOR REPA

12、IR.4BLOCK DIAGRAM.5CIRCUIT DESCRIPTION.6ADJUSTMENT.11WIRING DIAGRAM.15PC BOARD.18SCHEMATIC DIAGRAM.27EXPLODED VIEW.60PARTS LIST.62SPECIFICATIONS.88ContentsAccessoriesRef. No.Parts No.Refer to Service Manual(page)Remarks(X09) IC10M38199MF-080FPRXD-501/etc.(9, 10)It is the same H38199MF-075FP.(X09) IC

13、10M38199MF-080FPRXD-501/etc.(9, 10)(X14) IC1uPD780204-038RXD-501/etc.(11)(X28) IC6TC74HC166APRXD-501/etc.(12)Refer to the ICs.Model name vs remote controllerSystem configrationRXD-951(K) COVER1,1( 98.12.14 13:40 yW3RXD-951/A700/A900/V616/V818/V9193EXTERNAL VIEWPhono jack(E63-1037-05)Phono jack(E63-0

14、130-05) Lock terminal board*(E70-)Lock terminal board *(E70-)Power cord bushing(J42-0083-05)AC power cord*(E30-)Variable resistor(R31-0096-05)Oscillating module(W02-1114-05)Lock terminal board *(E70-)Illustration is RXD-V919.* Refer to parts list on page 62.RXD-951(K) COVER1,1( 98.12.14 13:40 yW6RXD

15、-951/A700/A900/V616/V818/V9194DISASSEMBLY FOR REPAIR1. How to remove the front panel.(1) Turn the power ON and then push theopen/close key to open the tray.(2) After removed the tray cover, push theopen/close key to close the tray and then turnthe power OFF.(3) Remove the push rivet (1) and 4 screws

16、 (2,3).(4) The front panel can be separated by removingthe 3 screws (4) located at the bottom plate ofthe front panel.2. How to remove the CD mechanism (1) Remove 4 screws (5) on the left side/right sideof chassis.(2) Remove 4 screws (6) and the cap (7) on therear panel.(3) Disengage the CD mechanis

17、m as FIG.2.(4) Connect the GND plate of X32 PCB and thechassis with a alligator clip wire (8).3. How to remove the mult control knob. Remove the knob by string (9).4. How to open the tray if not comes out.(1) From the rear side of the CD mechanism, use ascrew driver or the like to turn the friction

18、armfully counterclockwise.(2) Pull out the tray front wards by hand when thetray comes just out.* As for details of items in the below, refer to RXD-F3service manual (B51-5091-00).(1) How to detach the tray.(2) How to attach the tray.(3) Replacing the pickup.Fig.15233316667x4x24x3REAR SIDEFrictionAr

19、mFig.289RXD-951(K) COVER1,1( 98.12.14 13:40 yW7K1K2AUXTUNERDECKCDINAUX OUTAB120u70uREC OUTPBRECDCLPASSREC INPB OUT0dBS580mVBIAS SWA:120/70 B:120/70BIAS:ON/OFFRM:ON/OFFIC CLKPS INPS LOADDPSSVR5,6P.H A,BMOTOR AMOTOR BMOTOR-SOL-LED A,BL,RSSTPTFDRSFDRRFAUDIO OUTA/BA,B PACKF.RECR.RECA,B PLAYDOLBY R/PDOLB

20、Y ON/OFFFRDRFFDRMDPSRDRLD ONDECKNCOUTTRDRSURRCCSURRCL,RDIGITALVIDEOMUTEATTSWL,RD17D18D26D24D22D23ICPOWER+5.6VAVRQ15-30VAVRQ14-12VAVRIC12+12VPOWERAVRIC15ICu-COMFL DRIVERAVRBIAS+9V+5VAVRQ19IC13DECKMECHA.ANALOGTUNERH.P RELAYMOTORDRIVERDSP/DACTUNERFRONT S.PRELAYS.W. SPEAKERRELAYMATRIXSURROUNDSWD29D24ACT

21、UNERBLOCKTUNER OUTPUTFM:600mV/3.3k AM:180mV/3.3k (1/2)IC101MIC AMP(2/2)IC101MIX VOL.VR1IC1 SEL.INPUTMIC2.5mV/2.2k MIC1,2430mV/47k AUX INAUX IN0.5V/3.3k AUX OUTAUX OUTB ERASEBIASOSC60mV22.2dBSA PB AMPIC2PBAVR7,8LEVELQ7,8BEAT CANCELB PB AMPIC3VR1,2LEVELPBBBA3126NIC4BIAS TRAPVR3,4BIASCONTROLQ5DOLBYOTHE

22、RCHANNELL.P.F.MPXL1OUT+5VEXPANDER ICIC6B R/PA PBQ1,2Q3,4BA10393IC5ABCEFLDQ1SWLDDRIVERFOCUS COILCOILTRACKING COILDRIVERCOILF.MFEED MOTORDRIVERDISC MOTORDRIVERD.M4ch BTL DRIVERIC3TRACKINGFOCUSLIMIT SWSTARTD40-1500TRAVERSE UNITR.MDRIVERROTARYLOADINGDRIVERL.MTA8409SDRIVERIC4,5 MOTORBA5979SCXA1571MRF AMP

23、/SERVOIC1DSP/DACCXD2587QIC2DRIVER MUTE16.9344MHzZERO MUTEELECTRICVOL.SRSSURROUNDIC4C SP.LPHONESSUB WOOFERPRE OUTJ3FL DISPLAYREMOTESENSORED1A1u-COMFL DRIVERIC1IC3RECAMPMSIC1 HA12209FQ10,11Q3,4MUTEUNITPOLARTC74HC166AP+5V+5VMAIN u-COMM38199MF-08IC10RMR/BRKM/RMF/LMF/LMRLD/UNLD SW, UP/DOWN SWST SW, PS SW

24、X1IC2SPEANAIC9IC19AUX LEVELVR1(1/2)IC2Q6J2J1Q21-23FAN DRIVERJ3OTHER chFROMQ8(2/2)Q5 Q7IC2K2K1(1/2)Q1,2Q13(2/2)Q15Q3,4IC1IC1RSURROUND SP.FRONT SP.RLSUB WOOFER SP.RLJ1RFRONT SP.L(RXD-951/A900/V919)(RXD-A700)1.8V/600 K4EACH SP.OUTPUTPROLOGICIC3SWIC4DECODERL.P.F.IC16,17u-COMSUBu-COMMAINK3u-COMCDVIDEOIC5

25、IC3MPEGPCBVIDEOCDA1OUTJ1OUTIC4DAC LFPIC6IC2IC1IC8,9SP. OUTPUTRXD-V818RXD-V616RXD-A700A900/V919RXD-951/20.5V/6 24.5V/6 FRONT13.4V/6 24.5V/6 CSURR.24.5V/6 24.5V/6 SUB W.chOTHER(Q13,15:EXCEPTRXD-A700)FPCDTONEE. VOL (C,S)(EXCEPT RXD-V616/V818)(L,R) (1ch ONLY) (1ch ONLY)FAN22.6V/6 26.3V/6 26.3V/6 22.6V/6

26、 2chFRONT(THD 1.0%)STEREO SURROUND (THD 10%)13.4V/6 (X28)MECHA.(CDM-27)T25-0050(X14)(X14) EXCEPT RXD-A700(X32)Q TYPE ONLYX04-1313-80A,B(X09)X05-471X-489X-490X(X08) EXCEPT RXD-V616/V818on the RXD-501/701RXD-V616/V818: Refer to the same (X09)V616/V818/V919RXD-951/A700/A900/(X14)Ref. No. : RXD-951/A700

27、/A900Ref. No. : RXD-V616/V818/V919EXCEPT RXD-V616/V818RXD-951/A700/A900/V616/V818/V9195BLOCK DIAGRAMRXD-951(K) COVER1,1( 98.12.14 13:41 yW10RXD-951/A700/A900/V616/V818/V9196CIRCUIT DESCRIPTION1. Initialization1-1 Setting of initial conditionsWhile pressing the ENTER key, plug the AC cord intothe AC

28、power outlet.1-2 Initializing operationA microcomputer is initialized for start when the ACpower is turned on while pressing the ENTER key. Atthat time, CD mechanism and CASSETTEmecha-nism are also initialized.During the initial operation, the display shows “INITIAL-IZE”and after that the clock blin

29、ks up on display.1-3 The backup data and initial items.1-4 Mechanism initialization1-4-1 CD mechanismDisc unclamps (traverse down)Rotary tray rotates (1/3 rotation)If a mechanism error occurs, “CD”is indicated on thedisplay.1-4-2 DECK mechanismWhen initial condition becomes NG for the third time,dec

30、ide the error.The error condition is displayed as “X“ on the display.1-4-3 Error displayCD X ERR2. Test mode of the receiverRRefer to the 3. test mode on page 7, 8 of the Servicemanual RXD-501/etc. (B51-5420-00).RIt makes description of addition RXD-V919 only.(The operation of the keys)ITEMSPOWEROFF

31、VOLUME45BALANCECENTERRMUTINGOFFREQOFF (ROCK)EQ. MANUFLATAMPREX. BASSONS. W. *LEVEL3SRS 3DOFF3D LEVELLEVEL +5INPUT SELTUNERRDISPLAY MODEDISPLAY AUTODEMOOFFDOLBY PRO LOGIC *OFFDOLBY 3 STEREO *OFFCENTER MODE *NORMALDELAY TIME *20 msecCENTER LEVEL *0(-10dB)SURROUND LEVEL *0(-10dB)BANDFMLAST fLOWEST FREQ

32、UENCYTUNERLAST Pch AUTO/MONOAUTOPchTEST fRCLOCKAM 12 : 00 *PROG ONAM 12 : 00CLOCKPROG OFFAM 12 : 00TIMERPRO MODETIMER PLAYSOURCETUNERPch1EXEOFFOTTOFFRSLEEPOFFDIRECTIONFORWARDRVS MODEpDECKDOLBY NROFFRA/BBRACTIVE MODESTOPITEMSRPLAY MODETRACKAUTO/NTSC/PALAUTORAUTO PBCONRDIGESTOFFCD/VCDRMEMORY STOPOFFRR

33、EPEATOFFRRANDOMOFFRACTIVE MODESTOPRTIMESINGLERNone backup data*Except RXD-V616*Except RXD-V616/V818*Display : Push KeyActive descriptionRSettingCENTERLEVELSKIP UP ()-10 (Min)0 +10 (Max)SKIP DOWN (4)-10 (Min)0 +10 (Max)RSettingSURROUNDLEVELFF ()-10 (Min)0 +10 (Max)RWD (1)-10 (Min)0 +10 (Max)CD PGMDOL

34、BY PRO LOGIC ONDUBBINGDOLBY 3 STEREO ONTIMERSTEREO ONR Input selector : Except TUNER Surround mode : DOLBY mode (PRO LOGIC, 3ST)RXD-951(K) COVER1,1( 98.12.14 13:41 yW11VOLTAGE (V)AD0 (33pin)AD1 (32pin)AD2 (31pin)AD3 (30pin)AD4 (29pin)AD5 (28pin)AD6 (27pin)0 0. 82POWEREX. BASSCD PGMTUNING UPCD 4A / B

35、DOLBY NR0. 84 1. 64*1) SOUNDDUBBINGTUNING DOWNCD TAPE REV MODE1. 66 2. 52*2)SRSBANDCD 7TAPE DISC 12. 54 3. 38INPUT* 3)AUTOCD 6TAPE 7DISC SKIP 3. 40 4. 18MODE / DEMOSETENTERCD 0TAPE “DISC 24. 20 4. 78TIMERTAPE TAPE 1DISC 3RXD-951/A700/A900/V616/V818/V9197CIRCUIT DESCRIPTION3. Key matrix FL driver u-C

36、OM (uPD780204-038) : (X14-) IC14. Main microprocessor4-1 Microprocessor periphery block diagram(RXD-951/A700/A900)* 1) EXCEPT : RXD-V616/V818* 2) RXD-V616/V818/V919 : KARAOKE Other : DISPLAY* 3) RXD-V616/V818 : SOUND Other : LISTEN MODECD MECHACDM-27X14, IC1FL DRIVER uCOMuPD780204X09, IC10X09, IC11R

37、DS ICSAA6579X09, IC1SELECTOR ICNJU7313ALX09, IC4SYSTEM ICM62430FPX08, IC4E.VOL (C,S)M62429FPX08, IC3DOLBY ICM62460FPX09, IC9SPEANA ICBA3834SKX05, IC2PLL ICLC72131M38199MF-083FP M38199MF-080FPX32, IC2DSPCXD2587QX28, IC6EXPANDER ICTC74HC166APDECK MECHAu-COMRXD-951(K) COVER1,1( 98.12.14 13:41 yW14CD ME

38、CHACDM-27FL DRIVER uCOMuPD780204(X09) IC10MPEGuCOMSELECTOR ICNJU7313AME. VOL(C, S)M62429FPTONE, SRSE. VOL(L, R, SW)M62430FPEXCEPT RXD-V616/V818DAC ICPCM1717EPLL ICLC72131M38199MF-084FPDSPCXD2585QEXPANDERICDECK MECHADOLBY ICM62460FP(X14) IC16(X28) IC6(X32) IC3(MPEG)(X08) IC3(X09) IC1(X08) IC4(X09) IC

39、4X05, IC2(X32) IC4RXD-951/A700/A900/V616/V818/V9198CIRCUIT DESCRIPTION(RXD-V616/V818/V919)RXD-951(K) COVER1,1( 98.12.14 13:41 yW15Pin No.Pin nameI/ODescription1PS INIParallel serial IC input data2PS LOADOParallel serial IC loadH : SHIFTL : LOAD3AMUTEOAudio mute controlH : OFFL : ON4BP INISpeana inpu

40、t (A/D converter input)5JOG CWIJog input B6JOG CCWIJog input A7ENC CWIRotary encoder input B8ENC CCWIRotary encoder input A9H.P.IHeadphones switch inputH : ONL : OFF10EMPHASISIVideo CD emphasis11CD PROTICD protect inputH : PROTECTL : NORMAL12DRV CLKOFL driver u-COM control clock13DRV SIOFL driver u-

41、COM control data output14DRV SOIFL driver u-COM control data input15C BUSYOVideo CD u-COM busy output (MPEG)16VCLOCKOVideo CD u-COM clock (MPEG)17 C DATAOVideo CD u-COM data output (MPEG)18M DATAIVideo CD u-COM data input (MPEG)19CD CKOCD DSP IC clock (CXD2587Q)20SQCKOCD Sub code clock (CXD2587Q)21C

42、DDTOCD DSP IC data (CXD2587Q)22SQSOICD Sub code input (CXD2587Q)23CDXLOCD latch output (CXD2587Q)24SENSICD sense input (CXD2587Q)25CDSCKOSense data reading clock output (CXD2587Q)26LD ONOCD laser outputH : OFFL : ON27DATAOSELECTOR/SYSTEM/DAC/DOLBY IC data output28CLKOSELECTOR/SYSTEM/DAC/DOLBY IC clo

43、ck output29PROTIProtection inputH : PROTECTION ONL :NORMAL30SCORISub code synchronism signal (CXD2587Q)31E DATAOE. vol data output (M62430FP)32E CLKOE. vol clock output (M62430FP)33P/N-OIVideo CD video modeH : PALL : NTSC34M BUSYIVideo CD u-COM busy input (MPEG)35RESETIReset signal inputH : NORMAL L

44、 : RESET36X CINITimer clock input (32.768kHz)37X COUTOTimer clock output (32.768kHz)38X INIMain clock input (8.38MHz)39X OUTOMain clock output (8.38MHz)40VSSGND41PLL DOIPLL data input42STEREOIStereo detector input43SDISD detector input44CEIPower failure inputH : AC ONL : AC OFF45PLL CEOPLL IC chip e

45、nable (LC72131)46TU EMPOFM emphasis change-over (M type only)H : 100kHzL : 50kHzPolar/Pilot change-over (Q type only) H : POLARL : PILOT47FL RSTOFL driver reset control output48T MUTEOTUNER mute control output49DRV STOFL driver u-COM control strobe output 50HP RLYOHeadphones relay control51SEL STOSe

46、lector IC strobe output (NJU7313AL)52ATTOE. vol attenuationH : ONL : OFFRXD-951/A700/A900/V616/V818/V9199CIRCUIT DESCRIPTION4-2 Pin descriptionMicroprocessor : M38199MF-084FP (X09, IC10)RXD-951(K) COVER1,1( 98.12.14 13:41 yW18Pin No.Pin nameI/ODescription53SYS STOSystem IC strobe output (M62430FP)54

47、CS RELAYOCS speaker relay controlH : ONL : OFF55SP RELAYOSpeaker relay controlH : ONL : OFF56DOL STODolby ICstrobe output57MONOPMON controlH : ONL : OFF58P/N-IONTSC/PAL changeoverH : PALL : NTSC59CDRSTOCD DSP IC (CXD2585Q) reset controlH : NORMALL : RESET60M/AOTV changeover controlH : MANUALL : AUTO61MLODAC IC (PCM1717E) strobe output62P RLYOPower relay controlH : ONL : OFF63LMROLoading motor control (reverse)64LMFOLoading motor control (forward)H :